Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard for such subjects as math, science, history, unraveling the mystery...Computer programming, history, economics, and more. And its all FREE!
Good Reads is one of the most popular book review websites on the internet, and is incredible for making book lists.
Useful web sites and information
Everything you need to know about mortgages and home buying
Philadelphia TV Pioneers - from John Facenda to Gene London